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Finding the Fourth Proportional to 50,339.47, 69,468.74 and 27,679.93

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Solution

The fourth proportional to 50,339.47, 69,468.74 and 27,679.93 is: 38,198.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,339.47 : 69,468.74 = 27,679.93 : x
  2. Step 2: Convert to fraction form
    50,339.47/69,468.74 = 27,679.93/x
  3. Step 3: Cross multiply
    50,339.47x = 69,468.74 × 27,679.93
  4. Step 4: Simplify right side
    50,339.47x = 1,922,889,374.64
  5. Step 5: Solve for x
    x = 1,922,889,374.64/50,339.47
  6. Step 6: Final answer
    x = 38,198.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.